." >> a second explosion at the damaged fukushima at -- power plant and 11 people are injuried. japan offers assurances that risks remain low. tens of thousands of people are still missing amidst the race of trying to find loved ones. >> hello and welcome. also in this program, japan's stocks tumble. they take emergency action by pouring in cash to the market. >> japan's nuclear crisis appears to be deepening. in the last few hours, there has been a second explosion at the fukushima nuclear plant. speaking in the last hour, japan's cabinet secretary said the risk of today's explosion caused an uncontrolable leak of radiation is low. but the u.s. said it had moved away from the area after one of its aircraft carriers detected low-level radiation 160 kilometers off shore. tens of thousands of people have been evacuated from the area. let's go to my correspondent who is in japan in the sendai area with all the very latest. >> hello to you. you join me on the outskirts of sendai city. this main wall behind me is where the wall of tsunami, sea water, washed up about a half a mile from the harbor
